Guide and flattening mechanism, and guide and flattening device

A guide and flattening mechanism for flattening a to-be-flattened member on a to-be-flattened end of a cylindrical electrode assembly, such that the to-be-flattened member is bent and abuts against a circular end surface of the to-be-flattened end, the to-be-flattened member being a part, which protrudes from the circular end surface, of an annular tape attached to a side wall of the cylindrical electrode assembly, or a tab on the to-be-flattened end that protrudes in an axial direction of the cylindrical electrode assembly, the guide and flattening mechanism comprising:

• a mounting seat having a support plane;
• and
• an elastic guide assembly arranged at the mounting seat and having an inclined surface;
• wherein:
• the inclined surface is arranged around a central axis perpendicular to the support plane and is located on a side of the elastic guide assembly facing away from the support plane;
• from a side of the inclined surface close to the central axis to a side of the inclined surface away from the central axis, at least a part of the inclined surface is arranged obliquely in a direction away from the support plane;
• and
• the inclined surface is configured to be elastically deformed in a direction approaching the support plane when being squeezed in the direction approaching the support plane, so as to guide the bending of the to-be-flattened member and flatten the to-be-flattened member on the circular end surface with the cooperation of the support plane.